: a granulocyte that occurs especially in connective tissue and has basophilic granules containing substances (such as histamine and heparin) which mediate allergic reactions
Examples of mast cell in a Sentence
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The meeting further presented the extraordinary evidence that effective treatments for these issues are already available, such as anti-histamines, probiotics, mast cell stabilisers – simple, cheap, low risk medications which have made the difference between someone working and not working.
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Nancy Doyle, Forbes.com, 15 July 2025
And that then triggers these cells, called the mast cells, to release all these inflammatory mediators, like histamine and other kinds of mediators, like nutrients, which can have profound effects.
—Josh Hammer, MSNBC Newsweek, 9 July 2025
In 2022, Halsey shared on Instagram that they had been diagnosed with Ehlers-Danlos syndrome, Sjogren’s syndrome, mast cell activation syndrome — known as MCAS — and postural orthostatic tachycardia syndrome, known as POTS.
—Shania Russell, EW.com, 4 June 2024
Monoclonal antibodies eliminate the signals that trigger mast cells.
—Kate Raphael, Discover Magazine, 23 June 2025
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Nancy Doyle, Forbes.com, 15 July 2025
And that then triggers these cells, called the mast cells, to release all these inflammatory mediators, like histamine and other kinds of mediators, like nutrients, which can have profound effects.
—Josh Hammer, MSNBC Newsweek, 9 July 2025
In 2022, Halsey shared on Instagram that they had been diagnosed with Ehlers-Danlos syndrome, Sjogren’s syndrome, mast cell activation syndrome — known as MCAS — and postural orthostatic tachycardia syndrome, known as POTS.
—Shania Russell, EW.com, 4 June 2024
Monoclonal antibodies eliminate the signals that trigger mast cells.
—Kate Raphael, Discover Magazine, 23 June 2025
See All Example Sentences for mast cell
Cite this Entry
“Mast cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mast%20cell. Accessed 20 Aug. 2025.
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mast cell
noun
: a granulocyte that occurs especially in connective tissue and has basophilic granules containing substances (as histamine and heparin) which mediate allergic reactions
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